Around 5,000 fans gave German Cup runners-up Kaiserslautern a warm welcome back home on Sunday after the 1-0 defeat to Bayer Leverkusen in Berlin the previous day. Departing coach Friedhelm Funkel and his squad greeted the supporters at the Stiftsplatz square. “It wasn’t always easy. It wasn’t always easy with the players, with the people in charge – but it wasn’t always easy with me either,” Funkel at the end of his tenure. He saved Kaiserslautern from relegation to the third division and defeated south-west rivals Saarbrücken in the semi-finals. “But we pulled ourselves together. The team al…